2(-7+y+2z)-3-2z=-4

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Solution for 2(-7+y+2z)-3-2z=-4 equation:


Simplifying
2(-7 + y + 2z) + -3 + -2z = -4
(-7 * 2 + y * 2 + 2z * 2) + -3 + -2z = -4
(-14 + 2y + 4z) + -3 + -2z = -4

Reorder the terms:
-14 + -3 + 2y + 4z + -2z = -4

Combine like terms: -14 + -3 = -17
-17 + 2y + 4z + -2z = -4

Combine like terms: 4z + -2z = 2z
-17 + 2y + 2z = -4

Solving
-17 + 2y + 2z = -4

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '17' to each side of the equation.
-17 + 2y + 17 + 2z = -4 + 17

Reorder the terms:
-17 + 17 + 2y + 2z = -4 + 17

Combine like terms: -17 + 17 = 0
0 + 2y + 2z = -4 + 17
2y + 2z = -4 + 17

Combine like terms: -4 + 17 = 13
2y + 2z = 13

Add '-2z' to each side of the equation.
2y + 2z + -2z = 13 + -2z

Combine like terms: 2z + -2z = 0
2y + 0 = 13 + -2z
2y = 13 + -2z

Divide each side by '2'.
y = 6.5 + -1z

Simplifying
y = 6.5 + -1z

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